644823436

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 1193479168

約数和(自身を除く): 548655732

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 163, 244, 326, 523, 652, 1046, 1891, 2092, 3782, 5053, 7564, 9943, 10106, 16213, 19886, 20212, 31903, 32426, 39772, 63806, 64852, 85249, 127612, 170498, 308233, 340996, 616466, 988993, 1232932, 1977986, 2642719, 3955972, 5200189, 5285438, 10400378, 10570876, 20800756, 161205859, 322411718, 644823436]

約数ペア:

[(1, 644823436), (2, 322411718), (4, 161205859), (31, 20800756), (61, 10570876), (62, 10400378), (122, 5285438), (124, 5200189), (163, 3955972), (244, 2642719), (326, 1977986), (523, 1232932), (652, 988993), (1046, 616466), (1891, 340996), (2092, 308233), (3782, 170498), (5053, 127612), (7564, 85249), (9943, 64852), (10106, 63806), (16213, 39772), (19886, 32426), (20212, 31903)]